Inverter Grid-connected ASIWI Solar Inverter Photovoltaic Poverty Alleviation Inverter

Introduction: Inverter grid-connected ASIWI solar inverter photovoltaic poverty alleviation inverter 10-50kw Factory internal information including BOM list schematic diagram unknown

Schematic PCB

LM317 voltage stabilizing circuit

Introduction: LM317 voltage stabilizing circuit

Schematic PCB

Minimum electronic level (based on ATMEGA328p and MPU6050)

Introduction: This project is a minimum electronic level based on arduino and GY521, with a size of only 44x18mm! Because it is too small to fit the parts, in order to reduce space, modules are not used and all are redesigned.

Schematic PCB

[Successful] NFC-based PCB business card

Introduction: This project is a solution verification business card based on NXP's NT3H1101W0FHKH nfc chip.

Schematic PCB

esp8266 is awesome (usb development board)

Introduction: This project is a super device based on esp07, with a size of only 1! It comes with a usb-a interface and a ch340e serial port chip. Plug it into the computer usb port, install the driver and you can use it directly. The board has 8 gpio, one 5v And a 3.3 power interface, convenient for development and use.

Schematic PCB

[Wrong choice of controller] Arduino is awesome

Introduction: This project is a super USB based on atmega328pb-au! It has high parts density and comes with its own serial port chip. And the special thing is to use pcb as usb

Schematic PCB

Mao meow machine thermal printer

Introduction: Mao Meow Meow Thermal Printer

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Two nickel metal hydride battery charger fully charged turning light sharing version

Introduction: Two nickel-metal hydride battery chargers realize automatic charging and turning lights function, simple and practical

Schematic PCB

ip5306 power management module shared version

Introduction: ip5306 power management module

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GeigerCounter

Introduction: Geiger Counter

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Multi-protocol fast charging module V3.0

Introduction: Supports PPS/PD3.0/QC4+/QC4.0/ACF/FCP/SCP/PE2.2/SFCP/VOOC and other protocols, the maximum power is 100w main control chip sw3518s

Schematic PCB

【mopemope】The soul keychain for ordinary music lovers

Introduction: Baby rest in peace, mother rest assured!

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Ormerod Mini Differential IR Sensor

Introduction: IR leveling sensor for 3D printing

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PCB business card---meal card modification

Introduction: This project is a portable transformation based on IC card. Provide some design ideas and samples, nothing more.

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Automatic fan circuit

Introduction: Simple fan automatic control circuit

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Headphone amplifier (12v single power supply to -12V)

Introduction: Use a 12V single power supply to get ±12V for the 5532 headphone amplifier.

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Through-beam photoelectric switch

Introduction: Through-beam photoelectric sensor

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[Training Camp] Desktop assistant based on ESP32-C3

Introduction: Synchronize the network time in real time, display the time normally even if the network is disconnected, and collect the temperature and humidity of the room at the same time. Mainly to learn how to develop in linux+esp-idf environment

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Mic amplifier V2

Introduction: An electret mic preamp using ne5532

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200w inverter verified

Introduction: 200w inverter

Schematic PCB